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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2021-08-17 10:00:06 +0300 |
|---|---|---|
| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2021-08-17 11:17:59 +0300 |
| commit | 9454265eb26ac87e71f4af5853281fa166f55b79 (patch) | |
| tree | 451d30485dcee45ac30ebe720297d64fa43603e2 | |
| parent | 84c1bac579db605e6a7d7b15f7f641c583d7e6e9 (diff) | |
| download | postgresql-9454265eb26ac87e71f4af5853281fa166f55b79.tar.gz postgresql-9454265eb26ac87e71f4af5853281fa166f55b79.zip | |
doc: \123 and \x12 escapes in COPY are in database encoding.
The backslash sequences, including \123 and \x12 escapes, are interpreted
after encoding conversion. The docs failed to mention that.
Backpatch to all supported versions.
Reported-by: Andreas Grob
Discussion: https://www.postgresql.org/message-id/17142-9181542ca1df75ab%40postgresql.org
| -rw-r--r-- | doc/src/sgml/ref/copy.sgml | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/doc/src/sgml/ref/copy.sgml b/doc/src/sgml/ref/copy.sgml index 4c1e7dfef32..718bf477aeb 100644 --- a/doc/src/sgml/ref/copy.sgml +++ b/doc/src/sgml/ref/copy.sgml @@ -628,12 +628,12 @@ COPY <replaceable class="parameter">count</replaceable> <row> <entry><literal>\</literal><replaceable>digits</replaceable></entry> <entry>Backslash followed by one to three octal digits specifies - the character with that numeric code</entry> + the byte with that numeric code</entry> </row> <row> <entry><literal>\x</literal><replaceable>digits</replaceable></entry> <entry>Backslash <literal>x</literal> followed by one or two hex digits specifies - the character with that numeric code</entry> + the byte with that numeric code</entry> </row> </tbody> </tgroup> @@ -666,6 +666,12 @@ COPY <replaceable class="parameter">count</replaceable> </para> <para> + All backslash sequences are interpreted after encoding conversion. + The bytes specified with the octal and hex-digit backslash sequences must + form valid characters in the database encoding. + </para> + + <para> <command>COPY TO</command> will terminate each row with a Unix-style newline (<quote><literal>\n</literal></quote>). Servers running on Microsoft Windows instead output carriage return/newline (<quote><literal>\r\n</literal></quote>), but only for |